diff options
Diffstat (limited to 'sysdeps/sparc/sparc32/dl-machine.h')
| -rw-r--r-- | sysdeps/sparc/sparc32/dl-machine.h | 72 |
1 files changed, 68 insertions, 4 deletions
diff --git a/sysdeps/sparc/sparc32/dl-machine.h b/sysdeps/sparc/sparc32/dl-machine.h index 51060b652a..8c821b9cc2 100644 --- a/sysdeps/sparc/sparc32/dl-machine.h +++ b/sysdeps/sparc/sparc32/dl-machine.h @@ -1,5 +1,5 @@ /* Machine-dependent ELF dynamic relocation inline functions. SPARC version. - Copyright (C) 1996-2001, 2002 Free Software Foundation, Inc. + Copyright (C) 1996-2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -17,11 +17,15 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#ifndef dl_machine_h +#define dl_machine_h + #define ELF_MACHINE_NAME "sparc" #include <string.h> #include <sys/param.h> #include <ldsodefs.h> +#include <tls.h> #ifndef VALIDX # define VALIDX(tag) (DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGNUM \ @@ -237,9 +241,17 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) PLT entries should not be allowed to define the value. ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one of the main executable's symbols, as for a COPY reloc. */ -#define elf_machine_type_class(type) \ - ((((type) == R_SPARC_JMP_SLOT) * ELF_RTYPE_CLASS_PLT) \ +#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD) +# define elf_machine_type_class(type) \ + ((((type) == R_SPARC_JMP_SLOT \ + || ((type) >= R_SPARC_TLS_GD_HI22 && (type) <= R_SPARC_TLS_TPOFF64)) \ + * ELF_RTYPE_CLASS_PLT) \ + | (((type) == R_SPARC_COPY) * ELF_RTYPE_CLASS_COPY)) +#else +# define elf_machine_type_class(type) \ + ((((type) == R_SPARC_JMP_SLOT) * ELF_RTYPE_CLASS_PLT) \ | (((type) == R_SPARC_COPY) * ELF_RTYPE_CLASS_COPY)) +#endif /* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */ #define ELF_MACHINE_JMP_SLOT R_SPARC_JMP_SLOT @@ -413,6 +425,8 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc, return value + reloc->r_addend; } +#endif /* dl_machine_h */ + #ifdef RESOLVE /* Perform the relocation specified by RELOC and SYM (which is fully resolved). @@ -448,16 +462,29 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, #if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP const Elf32_Sym *const refsym = sym; #endif +#if defined USE_TLS && !defined RTLD_BOOTSTRAP + struct link_map *sym_map; +#endif Elf32_Addr value; #ifndef RESOLVE_CONFLICT_FIND_MAP if (sym->st_shndx != SHN_UNDEF && ELF32_ST_BIND (sym->st_info) == STB_LOCAL) - value = map->l_addr; + { + value = map->l_addr; +# if defined USE_TLS && !defined RTLD_BOOTSTRAP + sym_map = map; +# endif + } else { +# if defined USE_TLS && !defined RTLD_BOOTSTRAP + sym_map = RESOLVE_MAP (&sym, version, r_type); + value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value; +# else value = RESOLVE (&sym, version, r_type); if (sym) value += sym->st_value; +# endif } #else value = 0; @@ -496,6 +523,43 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc, so we can optimize the first instruction of .plt out. */ sparc_fixup_plt (reloc, reloc_addr, value, 0); break; +#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD) \ + && !defined RESOLVE_CONFLICT_FIND_MAP + case R_SPARC_TLS_DTPMOD32: + /* Get the information from the link map returned by the + resolv function. */ + if (sym_map != NULL) + *reloc_addr = sym_map->l_tls_modid; + break; + case R_SPARC_TLS_DTPOFF32: + /* During relocation all TLS symbols are defined and used. + Therefore the offset is already correct. */ + *reloc_addr = (sym == NULL ? 0 : sym->st_value) + reloc->r_addend; + break; + case R_SPARC_TLS_TPOFF32: + /* The offset is negative, forward from the thread pointer. */ + /* We know the offset of object the symbol is contained in. + It is a negative value which will be added to the + thread pointer. */ + CHECK_STATIC_TLS (map, sym_map); + *reloc_addr + = (sym == NULL ? 0 : sym->st_value - sym_map->l_tls_offset) + + reloc->r_addend; + break; +# ifndef RTLD_BOOTSTRAP + case R_SPARC_TLS_LE_HIX22: + case R_SPARC_TLS_LE_LOX10: + CHECK_STATIC_TLS (map, sym_map); + value = (sym == NULL ? 0 : sym->st_value - sym_map->l_tls_offset) + + reloc->r_addend; + if (r_type == R_SPARC_TLS_LE_HIX22) + *reloc_addr = (*reloc_addr & 0xffc00000) | ((~value) >> 10); + else + *reloc_addr = (*reloc_addr & 0xffffe000) | (value & 0x3ff) + | 0x1c00; + break; +# endif +#endif #ifndef RTLD_BOOTSTRAP case R_SPARC_8: *(char *) reloc_addr = value; |